Polyoxometalates　have　been　emerged　in　the　field　of　photocatalytic　hydrogen　evolution　reaction　(HER)　with　attempt　to　get　efficient,　inexpensive,　recyclable,　and　environmentally-benign　photocatalysts.　Here,　it　demonstrated　that　the　combination　of　polyoxotantalates　with　metal　sulfides　can　form　none-noble-metal　binary　composite　photocatalysts　for　efficient　water　splitting　with　visible-light.　With　the　strategy,　the　first　series　of　noble-metal-free　composite　photocatalysts　based　on　the　combination　of　hexatantalate　Na8Ta6O19　and　metal　sulfide　CdxZn(1-x)S　have　been　prepared　and　used　as　a　heterogeneous　photocatalyst.　The　Na8Ta6O19/CdxZn(1-x)S　exhibits　efficient　hydrogen　production　activity,　even　without　any　cocatalysts.　The　maximum　H2-evolution　rate　reaches　43.05　mmol　h−1　g-1　(based　on　10　mg　catalyst)　with　the　apparent　quantum　yield　of　37%　at　420　nm,　which　is　the　highest　value　ever　reported　so　far　for　polyoxometalate-based　photocatalysts　to　our　knowledge.　The　achievement　provides　a　new　strategy　to　develop　highly　efficient　and　new-type　photocatalysts　for　the　sustainable　utilization　of　solar　energy　by　merging　polyoxotantalate　chemistry　with　photoredox　catalysis.　©　2019　Elsevier　B.V.